Security Lab

Memorable passwords with crack ETA

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Found tools: 6

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All Tools Password Lab JWT Tools Hash & Checksums

Password Lab

Entropy, crack time, clipboard helpers

Strong Password Generator - XKCD Passphrases & Entropy Tool

Strong password generator for random passwords or XKCD passphrases. See entropy and crack-time estimates—secure, client-side only. Generate yours now.

Password Strength Checker | Local Crack Time Test

Test password strength and estimated crack time with zxcvbn. The check runs locally in your browser, so your input is not uploaded.

Bcrypt Hash Generator & Checker

Generate Bcrypt hashes locally and verify passwords against existing hashes with adjustable Cost/Rounds for auth development, migrations, and seed data.

JWT Tools

JWT decoding and expiration analysis

JWT Decoder & Debugger - No Key Upload, Private Local Tool

Decode and debug JWTs in your browser—no secret key, no uploads. Inspect header/payload, pretty-print JSON, and see a live exp countdown. Paste offline now.

JWT Generator | Securely Create & Sign Tokens Offline

Generate and sign JWTs for API testing. Edit header and payload, use HS256/HS384/HS512, and keep your secret local while HMAC signing runs in the browser.

Hash & Checksums

SHA hashes, file checksums, and local comparison

Hash Generator - Local SHA-256 & Checksum Tool

Generate SHA-256, SHA-384, SHA-512 hashes and file checksums locally in your browser. Compare expected values, copy results, and verify files without uploads.

Technical Overview & Guide

Generate XKCD-style passphrases or ultra-random strings while visualizing crack time based on GPU benchmarks. Nothing leaves the browser.